Behavioral task
behavioral1
Sample
2024-05-09_261964c77af2be1466ab56a64e52138e_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-09_261964c77af2be1466ab56a64e52138e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-09_261964c77af2be1466ab56a64e52138e_cryptolocker
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Size
84KB
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MD5
261964c77af2be1466ab56a64e52138e
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SHA1
fee27e65b9e0f01370ba99cac69c0fecb6509e67
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SHA256
f12bafe9d6f9862857ccfc0bf5c117ee253e6c226ae26f7d0133efdfdffc0189
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SHA512
d29251878727a84746606d650d81306289489f5b46cb810ed8126842e6961961d11fe475d1ef2be114b93a5b13738c98280509739d9c306efdbf19c88d1d9a9b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1y:zCsanOtEvwDpj8
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-09_261964c77af2be1466ab56a64e52138e_cryptolocker
Files
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2024-05-09_261964c77af2be1466ab56a64e52138e_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE